mapreduce interview questions and answers for experienced

In this post, we will discuss about another 50 Mapreduce Interview Questions and Answers for experienced mapreduce developers. Mapreduce Interview Questions and Answers for experienced 1. What are the methods in the Mapper class and order of their invocation? [crayon-5bf349658f91d939902200/] The Mapper contains the run() method, which call its own […]

Below are a few more hadoop mapreduce interview questions and answers for experienced and freshers hadoop developers. Hadoop Mapreduce Interview Questions and Answers for Experienced: 1. After restart of namenode, Mapreduce jobs started failing which worked fine before restart. What could be the wrong ? The cluster could be in […]

Below are a few more hadoop mapreduce interview questions and answers for experienced and freshers hadoop developers. Hadoop Mapreduce Interview Questions and Answers for Experienced: 1. What is side data distribution in Mapreduce framework ? The extra read-only data needed by a mapreduce job to process the main data set […]

A few of the hadoop Mapreduce Interview questions and answers are presented in this post. These are suitable for both beginners and experienced mapreduce developers. Mapreduce Interview Questions and Answers for Freshers: 1. What is Mapreduce ? Mapreduce is a framework for processing big data (huge data sets using a large […]